Base | Representation |
---|---|
bin | 1111010001100001… |
… | …00001001000011100 |
3 | 210011110202011100202 |
4 | 13220300201020130 |
5 | 113243200000103 |
6 | 3433402243032 |
7 | 410126564423 |
oct | 75060411034 |
9 | 23143664322 |
10 | 8200000028 |
11 | 3528760430 |
12 | 170a1b6478 |
13 | a08aca42c |
14 | 57b08a2ba |
15 | 32ed54988 |
hex | 1e8c2121c |
8200000028 has 24 divisors (see below), whose sum is σ = 15699688704. Its totient is φ = 3716524400.
The previous prime is 8199999971. The next prime is 8200000033.
8200000028 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 8199999955 and 8200000009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253268 + ... + 283803.
It is an arithmetic number, because the mean of its divisors is an integer number (654153696).
Almost surely, 28200000028 is an apocalyptic number.
It is an amenable number.
8200000028 is a deficient number, since it is larger than the sum of its proper divisors (7499688676).
8200000028 is a wasteful number, since it uses less digits than its factorization.
8200000028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 537433 (or 537431 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 8200000028 is about 90553.8515359783. The cubic root of 8200000028 is about 2016.5296775133.
It can be divided in two parts, 82000000 and 28, that added together give a palindrome (82000028).
The spelling of 8200000028 in words is "eight billion, two hundred million, twenty-eight", and thus it is an aban number.
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